Answer:
the first and last ones
Step-by-step explanation:
12 1/4 because the original answer is 12 3/12 but you should simplify it to 12 1/4.
Your answer is 110. You take 10 and divide it by 750. = 75 then you take 75. Divided 8250. = 110
ANSWER
EXPLANATION
The frequency of a wave function refers to the number of times the graph repeats its cycle within the interval [0,2π]
We can observe explicitly from the graph that the frequency is half.
The period of the given function is 4π
Hence the frequency is half.